From 73366743f8083ce835a783ab3faedfb7f6ed4398 Mon Sep 17 00:00:00 2001
From: Alessio Attilio <attilio.alessio@protonmail.com>
Date: Mon, 2 Nov 2026 22:24:39 +0100
Subject: [PATCH 01/14] Fix GH-24787 delayed OOM during request startup

---
 main/main.c                                   |  3 ++
 .../gh24787_delayed_oom_request_startup.phpt  | 38 +++++++++++++++++++
 2 files changed, 41 insertions(+)
 create mode 100644 tests/basic/gh24787_delayed_oom_request_startup.phpt

diff --git a/main/main.c b/main/main.c
index ee7d1cca69b5..03b9f2dafd3a 100644
--- a/main/main.c
+++ b/main/main.c
@@ -1922,6 +1922,9 @@ zend_result php_request_startup(void)
 		/* PG(during_request_startup) = 0; */
 
 		php_hash_environment();
+		if (ZEND_HAS_OOM()) {
+			zend_handle_delayed_oom();
+		}
 		zend_activate_modules();
 		PG(modules_activated)=1;
 	} zend_catch {
diff --git a/tests/basic/gh24787_delayed_oom_request_startup.phpt b/tests/basic/gh24787_delayed_oom_request_startup.phpt
new file mode 100644
index 000000000000..723bd5135b3b
--- /dev/null
+++ b/tests/basic/gh24787_delayed_oom_request_startup.phpt
@@ -0,0 +1,38 @@
+--TEST--
+GH-24787 (Delayed OOM during request startup is handled as a fatal error)
+--SKIPIF--
+<?php
+if (!getenv('TEST_PHP_CGI_EXECUTABLE')) {
+    die('skip php-cgi not available');
+}
+if (!extension_loaded('uri')) {
+    die('skip uri extension not available');
+}
+?>
+--FILE--
+<?php
+$script = tempnam(sys_get_temp_dir(), 'gh24787');
+file_put_contents($script, "<?php echo \"request completed\\n\";");
+
+$cookies = [];
+for ($i = 0; $i < 5000; $i++) {
+    $cookies[] = "cookie$i=value";
+}
+
+$process = proc_open(
+    [getenv('TEST_PHP_CGI_EXECUTABLE'), '-n', '-d', 'memory_limit=8M', '-d', 'max_input_vars=10000', '-d', 'html_errors=0'],
+    [STDIN, ['pipe', 'w'], ['pipe', 'w']],
+    $pipes,
+    null,
+    ['REQUEST_METHOD' => 'GET', 'HTTP_COOKIE' => implode('; ', $cookies), 'SCRIPT_FILENAME' => $script, 'REDIRECT_STATUS' => '1']
+);
+$output = stream_get_contents($pipes[1]) . stream_get_contents($pipes[2]);
+fclose($pipes[1]);
+fclose($pipes[2]);
+proc_close($process);
+unlink($script);
+
+echo str_contains($output, 'Allowed memory size') ? "OOM handled\n" : $output;
+?>
+--EXPECT--
+OOM handled

From 80dae4a3b820a4568f853596cc73c084548e84bb Mon Sep 17 00:00:00 2001
From: Alessio Attilio <attilio.alessio@protonmail.com>
Date: Wed, 11 Nov 2026 18:38:18 +0100
Subject: [PATCH 02/14] Make delayed OOM startup test reproducible

---
 tests/basic/gh24787_delayed_oom_request_startup.phpt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tests/basic/gh24787_delayed_oom_request_startup.phpt b/tests/basic/gh24787_delayed_oom_request_startup.phpt
index 723bd5135b3b..44166c530f39 100644
--- a/tests/basic/gh24787_delayed_oom_request_startup.phpt
+++ b/tests/basic/gh24787_delayed_oom_request_startup.phpt
@@ -20,7 +20,7 @@ for ($i = 0; $i < 5000; $i++) {
 }
 
 $process = proc_open(
-    [getenv('TEST_PHP_CGI_EXECUTABLE'), '-n', '-d', 'memory_limit=8M', '-d', 'max_input_vars=10000', '-d', 'html_errors=0'],
+    [getenv('TEST_PHP_CGI_EXECUTABLE'), '-n', '-d', 'memory_limit=2M', '-d', 'max_input_vars=10000', '-d', 'html_errors=0'],
     [STDIN, ['pipe', 'w'], ['pipe', 'w']],
     $pipes,
     null,

From e4431ac98bccc706d9b1f904e314457103db7c26 Mon Sep 17 00:00:00 2001
From: Alessio Attilio <attilio.alessio@protonmail.com>
Date: Wed, 11 Nov 2026 19:10:30 +0100
Subject: [PATCH 03/14] Keep delayed OOM test environment within Windows limits

---
 tests/basic/gh24787_delayed_oom_request_startup.phpt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tests/basic/gh24787_delayed_oom_request_startup.phpt b/tests/basic/gh24787_delayed_oom_request_startup.phpt
index 44166c530f39..04b6b0eeac32 100644
--- a/tests/basic/gh24787_delayed_oom_request_startup.phpt
+++ b/tests/basic/gh24787_delayed_oom_request_startup.phpt
@@ -16,7 +16,7 @@ file_put_contents($script, "<?php echo \"request completed\\n\";");
 
 $cookies = [];
 for ($i = 0; $i < 5000; $i++) {
-    $cookies[] = "cookie$i=value";
+    $cookies[] = "$i=x";
 }
 
 $process = proc_open(

From c2c8d81eb823b0094e5280bc002b45d1e2437385 Mon Sep 17 00:00:00 2001
From: Alessio Attilio <attilio.alessio@protonmail.com>
Date: Wed, 11 Nov 2026 19:26:36 +0100
Subject: [PATCH 04/14] Keep delayed OOM test environment within Windows limits

---
 tests/basic/gh24787_delayed_oom_request_startup.phpt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tests/basic/gh24787_delayed_oom_request_startup.phpt b/tests/basic/gh24787_delayed_oom_request_startup.phpt
index 04b6b0eeac32..cf805fc1169c 100644
--- a/tests/basic/gh24787_delayed_oom_request_startup.phpt
+++ b/tests/basic/gh24787_delayed_oom_request_startup.phpt
@@ -15,7 +15,7 @@ $script = tempnam(sys_get_temp_dir(), 'gh24787');
 file_put_contents($script, "<?php echo \"request completed\\n\";");
 
 $cookies = [];
-for ($i = 0; $i < 5000; $i++) {
+for ($i = 0; $i < 4000; $i++) {
     $cookies[] = "$i=x";
 }
 

From 69baf8907f57aa97747fdfcfe488ca8059e03f85 Mon Sep 17 00:00:00 2001
From: Alessio Attilio <attilio.alessio@protonmail.com>
Date: Wed, 11 Nov 2026 19:30:09 +0100
Subject: [PATCH 05/14] Keep delayed OOM test environment within Windows limits

---
 tests/basic/gh24787_delayed_oom_request_startup.phpt | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/tests/basic/gh24787_delayed_oom_request_startup.phpt b/tests/basic/gh24787_delayed_oom_request_startup.phpt
index cf805fc1169c..c3b59afd8cbd 100644
--- a/tests/basic/gh24787_delayed_oom_request_startup.phpt
+++ b/tests/basic/gh24787_delayed_oom_request_startup.phpt
@@ -15,8 +15,8 @@ $script = tempnam(sys_get_temp_dir(), 'gh24787');
 file_put_contents($script, "<?php echo \"request completed\\n\";");
 
 $cookies = [];
-for ($i = 0; $i < 4000; $i++) {
-    $cookies[] = "$i=x";
+for ($i = 0; $i < 5000; $i++) {
+    $cookies[] = base_convert((string) $i, 10, 36) . "=x";
 }
 
 $process = proc_open(
@@ -24,7 +24,7 @@ $process = proc_open(
     [STDIN, ['pipe', 'w'], ['pipe', 'w']],
     $pipes,
     null,
-    ['REQUEST_METHOD' => 'GET', 'HTTP_COOKIE' => implode('; ', $cookies), 'SCRIPT_FILENAME' => $script, 'REDIRECT_STATUS' => '1']
+    ['REQUEST_METHOD' => 'GET', 'HTTP_COOKIE' => implode(';', $cookies), 'SCRIPT_FILENAME' => $script, 'REDIRECT_STATUS' => '1']
 );
 $output = stream_get_contents($pipes[1]) . stream_get_contents($pipes[2]);
 fclose($pipes[1]);

From 9a723d42cc4373be1d3bf9d85e8f35ca911a0092 Mon Sep 17 00:00:00 2001
From: Alessio Attilio <attilio.alessio@protonmail.com>
Date: Wed, 11 Nov 2026 19:49:44 +0100
Subject: [PATCH 06/14] Keep delayed OOM test environment within Windows limits

---
 tests/basic/gh24787_delayed_oom_request_startup.phpt | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/tests/basic/gh24787_delayed_oom_request_startup.phpt b/tests/basic/gh24787_delayed_oom_request_startup.phpt
index c3b59afd8cbd..e4dbde5a7bde 100644
--- a/tests/basic/gh24787_delayed_oom_request_startup.phpt
+++ b/tests/basic/gh24787_delayed_oom_request_startup.phpt
@@ -15,8 +15,10 @@ $script = tempnam(sys_get_temp_dir(), 'gh24787');
 file_put_contents($script, "<?php echo \"request completed\\n\";");
 
 $cookies = [];
-for ($i = 0; $i < 5000; $i++) {
-    $cookies[] = base_convert((string) $i, 10, 36) . "=x";
+for ($i = 0; $i < 2000; $i++) {
+    $key = base_convert((string) $i, 10, 36);
+    $value = $i < 1500 ? "xx" : "x";
+    $cookies[] = "c$key[0][0][0]=$value";
 }
 
 $process = proc_open(

From 0ec6cbff564eff00a53dc8ef24f94f1d143218ba Mon Sep 17 00:00:00 2001
From: Alessio Attilio <attilio.alessio@protonmail.com>
Date: Wed, 11 Nov 2026 19:50:06 +0100
Subject: [PATCH 07/14] Build nested cookie names literally

---
 tests/basic/gh24787_delayed_oom_request_startup.phpt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tests/basic/gh24787_delayed_oom_request_startup.phpt b/tests/basic/gh24787_delayed_oom_request_startup.phpt
index e4dbde5a7bde..10d39d333183 100644
--- a/tests/basic/gh24787_delayed_oom_request_startup.phpt
+++ b/tests/basic/gh24787_delayed_oom_request_startup.phpt
@@ -18,7 +18,7 @@ $cookies = [];
 for ($i = 0; $i < 2000; $i++) {
     $key = base_convert((string) $i, 10, 36);
     $value = $i < 1500 ? "xx" : "x";
-    $cookies[] = "c$key[0][0][0]=$value";
+    $cookies[] = 'c' . $key . '[0][0][0]=' . $value;
 }
 
 $process = proc_open(

From 1b074a055f21eb1d0630dc745239c3e45b180cc9 Mon Sep 17 00:00:00 2001
From: Alessio Attilio <attilio.alessio@protonmail.com>
Date: Wed, 11 Nov 2026 20:16:28 +0100
Subject: [PATCH 08/14] Fit delayed OOM cookies within Windows environment
 limit

---
 tests/basic/gh24787_delayed_oom_request_startup.phpt | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/tests/basic/gh24787_delayed_oom_request_startup.phpt b/tests/basic/gh24787_delayed_oom_request_startup.phpt
index 10d39d333183..e22a8dcff635 100644
--- a/tests/basic/gh24787_delayed_oom_request_startup.phpt
+++ b/tests/basic/gh24787_delayed_oom_request_startup.phpt
@@ -14,11 +14,11 @@ if (!extension_loaded('uri')) {
 $script = tempnam(sys_get_temp_dir(), 'gh24787');
 file_put_contents($script, "<?php echo \"request completed\\n\";");
 
+// Keep the cookie header under Windows' environment limit while allocating nested input variables.
 $cookies = [];
-for ($i = 0; $i < 2000; $i++) {
+for ($i = 0; $i < 2580; $i++) {
     $key = base_convert((string) $i, 10, 36);
-    $value = $i < 1500 ? "xx" : "x";
-    $cookies[] = 'c' . $key . '[0][0][0]=' . $value;
+    $cookies[] = $key . '[][][]=xx';
 }
 
 $process = proc_open(

From a5dcda84956bdd2f4f9eba474ce925863d6f4607 Mon Sep 17 00:00:00 2001
From: Alessio Attilio <attilio.alessio@protonmail.com>
Date: Wed, 11 Nov 2026 20:59:37 +0100
Subject: [PATCH 09/14] Keep delayed OOM test environment below Windows limit

---
 tests/basic/gh24787_delayed_oom_request_startup.phpt | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tests/basic/gh24787_delayed_oom_request_startup.phpt b/tests/basic/gh24787_delayed_oom_request_startup.phpt
index e22a8dcff635..9518e41592bb 100644
--- a/tests/basic/gh24787_delayed_oom_request_startup.phpt
+++ b/tests/basic/gh24787_delayed_oom_request_startup.phpt
@@ -16,9 +16,9 @@ file_put_contents($script, "<?php echo \"request completed\\n\";");
 
 // Keep the cookie header under Windows' environment limit while allocating nested input variables.
 $cookies = [];
-for ($i = 0; $i < 2580; $i++) {
+for ($i = 0; $i < 2000; $i++) {
     $key = base_convert((string) $i, 10, 36);
-    $cookies[] = $key . '[][][]=xx';
+    $cookies[] = $key . '[][][][][]=x';
 }
 
 $process = proc_open(

From 4a1bb5bbbb04a42fa3ec72cd57a433f6958eecae Mon Sep 17 00:00:00 2001
From: Alessio Attilio <attilio.alessio@protonmail.com>
Date: Wed, 11 Nov 2026 22:03:50 +0100
Subject: [PATCH 10/14] Handle delayed OOM from RINIT failures

---
 Zend/zend_API.c                               |  4 ++
 .../gh24787_delayed_oom_request_startup.phpt  | 55 +++++++++++++------
 2 files changed, 41 insertions(+), 18 deletions(-)

diff --git a/Zend/zend_API.c b/Zend/zend_API.c
index 38f0c837a9fe..24120e61d7e4 100644
--- a/Zend/zend_API.c
+++ b/Zend/zend_API.c
@@ -3458,6 +3458,10 @@ ZEND_API void zend_activate_modules(void) /* {{{ */
 		const zend_module_entry *module = *p;
 
 		if (module->request_startup_func(module->type, module->module_number)==FAILURE) {
+			/* A delayed OOM may have caused the module startup failure. */
+			if (ZEND_HAS_OOM()) {
+				zend_handle_delayed_oom();
+			}
 			zend_error(E_WARNING, "request_startup() for %s module failed", module->name);
 			exit(1);
 		}
diff --git a/tests/basic/gh24787_delayed_oom_request_startup.phpt b/tests/basic/gh24787_delayed_oom_request_startup.phpt
index 9518e41592bb..fb4961b3e213 100644
--- a/tests/basic/gh24787_delayed_oom_request_startup.phpt
+++ b/tests/basic/gh24787_delayed_oom_request_startup.phpt
@@ -14,27 +14,46 @@ if (!extension_loaded('uri')) {
 $script = tempnam(sys_get_temp_dir(), 'gh24787');
 file_put_contents($script, "<?php echo \"request completed\\n\";");
 
-// Keep the cookie header under Windows' environment limit while allocating nested input variables.
-$cookies = [];
-for ($i = 0; $i < 2000; $i++) {
-    $key = base_convert((string) $i, 10, 36);
-    $cookies[] = $key . '[][][][][]=x';
-}
+// The field count needed to reach the startup gap differs between debug and release builds.
+$counts = PHP_DEBUG ? range(1700, 1950, 4) : range(880, 1040, 4);
+$rinitFailed = false;
+$oomReported = false;
+foreach ($counts as $count) {
+    $post = [];
+    for ($i = 0; $i < $count; $i++) {
+        $post[] = 'p' . $i . '=' . str_repeat('y', 4000);
+    }
+    $body = implode('&', $post);
+
+    $command = [
+        getenv('TEST_PHP_CGI_EXECUTABLE'),
+        '-n',
+        '-d', 'memory_limit=8M',
+        '-d', 'post_max_size=64M',
+        '-d', 'max_input_vars=20000',
+        '-d', 'html_errors=0',
+    ];
+    $environment = [
+        'REQUEST_METHOD' => 'POST',
+        'CONTENT_TYPE' => 'application/x-www-form-urlencoded',
+        'CONTENT_LENGTH' => (string) strlen($body),
+        'SCRIPT_FILENAME' => $script,
+        'REDIRECT_STATUS' => '1',
+    ];
+    $process = proc_open($command, [['pipe', 'r'], ['pipe', 'w'], ['pipe', 'w']], $pipes, null, $environment);
+    fwrite($pipes[0], $body);
+    fclose($pipes[0]);
+    $output = stream_get_contents($pipes[1]) . stream_get_contents($pipes[2]);
+    fclose($pipes[1]);
+    fclose($pipes[2]);
+    proc_close($process);
 
-$process = proc_open(
-    [getenv('TEST_PHP_CGI_EXECUTABLE'), '-n', '-d', 'memory_limit=2M', '-d', 'max_input_vars=10000', '-d', 'html_errors=0'],
-    [STDIN, ['pipe', 'w'], ['pipe', 'w']],
-    $pipes,
-    null,
-    ['REQUEST_METHOD' => 'GET', 'HTTP_COOKIE' => implode(';', $cookies), 'SCRIPT_FILENAME' => $script, 'REDIRECT_STATUS' => '1']
-);
-$output = stream_get_contents($pipes[1]) . stream_get_contents($pipes[2]);
-fclose($pipes[1]);
-fclose($pipes[2]);
-proc_close($process);
+    $rinitFailed = $rinitFailed || str_contains($output, 'request_startup()');
+    $oomReported = $oomReported || str_contains($output, 'Allowed memory size');
+}
 unlink($script);
 
-echo str_contains($output, 'Allowed memory size') ? "OOM handled\n" : $output;
+echo !$rinitFailed && $oomReported ? "OOM handled\n" : "RINIT failure or no OOM reported\n";
 ?>
 --EXPECT--
 OOM handled

From 77cdad8fc178d1e1c5ee3fd2ce822906de4758b6 Mon Sep 17 00:00:00 2001
From: Alessio Attilio <attilio.alessio@protonmail.com>
Date: Wed, 11 Nov 2026 22:14:36 +0100
Subject: [PATCH 11/14] Scan OOM test range across build variants

---
 tests/basic/gh24787_delayed_oom_request_startup.phpt | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tests/basic/gh24787_delayed_oom_request_startup.phpt b/tests/basic/gh24787_delayed_oom_request_startup.phpt
index fb4961b3e213..710730762a7c 100644
--- a/tests/basic/gh24787_delayed_oom_request_startup.phpt
+++ b/tests/basic/gh24787_delayed_oom_request_startup.phpt
@@ -14,8 +14,8 @@ if (!extension_loaded('uri')) {
 $script = tempnam(sys_get_temp_dir(), 'gh24787');
 file_put_contents($script, "<?php echo \"request completed\\n\";");
 
-// The field count needed to reach the startup gap differs between debug and release builds.
-$counts = PHP_DEBUG ? range(1700, 1950, 4) : range(880, 1040, 4);
+// The field count needed to reach the startup gap varies by build and platform.
+$counts = range(1700, 1950, 4);
 $rinitFailed = false;
 $oomReported = false;
 foreach ($counts as $count) {

From 146758ac080b2ea63f30aad8a2a6bdbad223b307 Mon Sep 17 00:00:00 2001
From: Alessio Attilio <attilio.alessio@protonmail.com>
Date: Wed, 11 Nov 2026 22:50:32 +0100
Subject: [PATCH 12/14] Use adaptive worker count in Linux test action

---
 .github/actions/test-linux/action.yml | 4 ----
 .github/workflows/test-suite.yml      | 1 -
 2 files changed, 5 deletions(-)

diff --git a/.github/actions/test-linux/action.yml b/.github/actions/test-linux/action.yml
index e89c942d52e1..f304133a2b20 100644
--- a/.github/actions/test-linux/action.yml
+++ b/.github/actions/test-linux/action.yml
@@ -9,9 +9,6 @@ inputs:
   jitType:
     default: 'disable'
     required: false
-  idleCpu:
-    default: 'false'
-    required: false
 runs:
   using: composite
   steps:
@@ -50,7 +47,6 @@ runs:
           -d opcache.jit=${{ inputs.jitType }} \
           -d opcache.protect_memory=1 \
           -d opcache.jit_buffer_size=64M \
-          ${{ inputs.idleCpu == 'true' && '-j$(($(/usr/bin/nproc) - 1))' || '-j$(/usr/bin/nproc)' }} \
           -g FAIL,BORK,LEAK,XLEAK \
           --no-progress \
           --offline \
diff --git a/.github/workflows/test-suite.yml b/.github/workflows/test-suite.yml
index dcd61adf17c8..551e16f1b479 100644
--- a/.github/workflows/test-suite.yml
+++ b/.github/workflows/test-suite.yml
@@ -188,7 +188,6 @@ jobs:
             ${{ matrix.asan && '--asan' || '' }}
             ${{ matrix.repeat && '--repeat 2' || '' }}
             ${{ matrix.variation && '-d zend_test.observer.enabled=1 -d zend_test.observer.show_output=0' || '' }}
-          idleCpu: ${{ matrix.asan && 'true' || 'false' }}
       - name: Test Tracing JIT
         if: ${{ inputs.all_variations || matrix.asan }}
         uses: ./.github/actions/test-linux

From cefbbe6a82a3c8132994c8b6402ba63c039d1161 Mon Sep 17 00:00:00 2001
From: Alessio Attilio <attilio.alessio@protonmail.com>
Date: Wed, 11 Nov 2026 23:26:04 +0100
Subject: [PATCH 13/14] Run i386 test suite outside container seccomp

---
 .github/actions/apt-x32/action.yml           |  6 +++---
 .github/actions/install-linux-x32/action.yml | 16 ++++++++--------
 .github/workflows/test-suite.yml             | 13 ++++++-------
 3 files changed, 17 insertions(+), 18 deletions(-)

diff --git a/.github/actions/apt-x32/action.yml b/.github/actions/apt-x32/action.yml
index 14182e768795..0f27b88497ac 100644
--- a/.github/actions/apt-x32/action.yml
+++ b/.github/actions/apt-x32/action.yml
@@ -9,10 +9,10 @@ runs:
         OPCACHE_TLS_TESTS_DEPS="gcc clang lld"
 
         export DEBIAN_FRONTEND=noninteractive
-        dpkg --add-architecture i386
-        apt-get update -y | true
+        sudo dpkg --add-architecture i386
+        sudo env DEBIAN_FRONTEND=noninteractive apt-get update -y | true
         # TODO: Reenable postgresql + postgresql-contrib packages once they work again.
-        apt-get install -y \
+        sudo env DEBIAN_FRONTEND=noninteractive apt-get install -y \
           autoconf \
           bison \
           curl \
diff --git a/.github/actions/install-linux-x32/action.yml b/.github/actions/install-linux-x32/action.yml
index 4ef87ee03fd3..95d7fc738b1c 100644
--- a/.github/actions/install-linux-x32/action.yml
+++ b/.github/actions/install-linux-x32/action.yml
@@ -5,11 +5,11 @@ runs:
     - shell: bash
       run: |
         set -x
-        make install
-        mkdir -p /etc/php.d
-        chmod 777 /etc/php.d
-        echo mysqli.default_socket=/var/run/mysqld/mysqld.sock > /etc/php.d/mysqli.ini
-        echo pdo_mysql.default_socket=/var/run/mysqld/mysqld.sock > /etc/php.d/pdo_mysql.ini
-        echo opcache.enable_cli=1 >> /etc/php.d/opcache.ini
-        echo opcache.protect_memory=1 >> /etc/php.d/opcache.ini
-        echo opcache.preload_user=root >> /etc/php.d/opcache.ini
+        sudo make install
+        sudo mkdir -p /etc/php.d
+        sudo chmod 777 /etc/php.d
+        echo mysqli.default_socket=/var/run/mysqld/mysqld.sock | sudo tee /etc/php.d/mysqli.ini > /dev/null
+        echo pdo_mysql.default_socket=/var/run/mysqld/mysqld.sock | sudo tee /etc/php.d/pdo_mysql.ini > /dev/null
+        echo opcache.enable_cli=1 | sudo tee /etc/php.d/opcache.ini > /dev/null
+        echo opcache.protect_memory=1 | sudo tee -a /etc/php.d/opcache.ini > /dev/null
+        echo opcache.preload_user=root | sudo tee -a /etc/php.d/opcache.ini > /dev/null
diff --git a/.github/workflows/test-suite.yml b/.github/workflows/test-suite.yml
index 551e16f1b479..e72dd8ba74d0 100644
--- a/.github/workflows/test-suite.yml
+++ b/.github/workflows/test-suite.yml
@@ -229,15 +229,14 @@ jobs:
       fail-fast: false
       matrix: ${{ fromJson(inputs.branch).jobs.LINUX_X32.matrix }}
     name: "LINUX_X32_${{ matrix.debug && 'DEBUG' || 'RELEASE' }}_${{ matrix.zts && 'ZTS' || 'NTS' }}"
-    runs-on: ubuntu-latest
+    # The container seccomp profile blocks i386 socket syscalls used by the test suite.
+    runs-on: ubuntu-${{ fromJson(inputs.branch).config.ubuntu_version }}
     timeout-minutes: 180
-    container:
-      image: ubuntu:${{ fromJson(inputs.branch).config.ubuntu_version }}
     env:
-      MYSQL_TEST_HOST: mysql
-      PDO_MYSQL_TEST_DSN: mysql:host=mysql;dbname=test
-      PDO_MYSQL_TEST_HOST: mysql
-      PDO_FIREBIRD_TEST_DSN: firebird:dbname=firebird:test.fdb
+      MYSQL_TEST_HOST: 127.0.0.1
+      PDO_MYSQL_TEST_DSN: mysql:host=127.0.0.1;dbname=test
+      PDO_MYSQL_TEST_HOST: 127.0.0.1
+      PDO_FIREBIRD_TEST_DSN: firebird:dbname=localhost:test.fdb
     services:
       mysql:
         image: mysql:8.4

From ea3c6a698e494e92c0e2bc215e2f6bf7ff93c25d Mon Sep 17 00:00:00 2001
From: Alessio Attilio <attilio.alessio@protonmail.com>
Date: Thu, 12 Nov 2026 00:32:15 +0100
Subject: [PATCH 14/14] Clarify delayed OOM startup handling

---
 Zend/zend_API.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Zend/zend_API.c b/Zend/zend_API.c
index 24120e61d7e4..355b54bed88b 100644
--- a/Zend/zend_API.c
+++ b/Zend/zend_API.c
@@ -3458,7 +3458,7 @@ ZEND_API void zend_activate_modules(void) /* {{{ */
 		const zend_module_entry *module = *p;
 
 		if (module->request_startup_func(module->type, module->module_number)==FAILURE) {
-			/* A delayed OOM may have caused the module startup failure. */
+			/* Surface a delayed OOM before reporting a generic module startup failure. */
 			if (ZEND_HAS_OOM()) {
 				zend_handle_delayed_oom();
 			}